... mini desk fan1.1700RPM,3.1m/s wind speed,150mm blade diameter, well-designed blades angle and number ,new DC brushless motor ... , power just 2.1W, energy saving. 4.Fan life can be 25000~30000 hours, can be ... bring simple sense of beauty and quality. 6.Fan is with control switch, two speed choices, pitch ... *190mm,product weight:535g,easy to carry. 8.Fan occupies small room, stable structure, can be placed ...